The Permanent Marker Cart Battery by Smyle™ Labs is a sleek and innovative permanent marker designed to hold and store up to 4g carts, offering a discreet, portable solution for your aromatherapy needs. Its compact design resembles a traditional marker, making it easy to carry and store while providing safe, secure storage for your carts. Perfect for those who value both functionality and convenience, the Penjamin is ideal for on-the-go use, keeping your carts secure without sacrificing style. Whether you’re at home or traveling, this unique marker is a must-have for anyone seeking a practical, portable cart storage option.